A collection of memorabilia from the Beat era in the back of a San Francisco bookstore.

This 19th-century church is now a popular roller rink.

Golden Gate Park's historic collection of plants.

With the touch of a button, you can read a randomly selected short story.

San Franciscans leave gifts and messages for the magical beings that live behind the tiny, mysterious door installed on a tree in Golden Gate Park.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

An essential stop before plundering, BYO Cutlass.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

San Francisco's newly reopened hands-on science museum.

The only theatre in the world constructed specifically for sound movement.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

This grinning pup statue is all that's left of what was once a ubiquitous Bay Area diner chain.

A huge musical instrument played by the ocean.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

A 140-year-old castle with underground caves hidden in San Francisco.

A psychedelic labyrinth on the San Francisco bay.

Lemon Grove, California is known for its giant lemon...and mummified bodies.

An ode to the friendship between four Pacific Rim countries.

The tiniest tiki room in San Diego.

This futuristic bridge is one of the longest self-anchored pedestrian bridges in the world.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

Lucha Libre (Mexican Wrestling) themed taco shop.

Swarms of butterflies cannot compare to the awe inspired by the publicly-funded nakedness once displayed in this sunken garden.

A couple turned their front yard into an artistic masterpiece.